hi, guys, i recently bought 1 iphone 3GS with jailbreak 4.1, the problem is i want to update do iOS 5.1.1 and i don't know how, because i hava a little problem, i'm from portugal and the iphone originally is from the UK, and if i do this wrong i won't be able to use my SIM phone card from portugal :| can anyone help me please?
thnks